Home / 78,809,710.51-118,112,014.26-32,068,713.40

Finding the Fourth Proportional to 78,809,710.51, 118,112,014.26 and 32,068,713.40

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Solution

The fourth proportional to 78,809,710.51, 118,112,014.26 and 32,068,713.40 is: 48,061,340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,809,710.51 : 118,112,014.26 = 32,068,713.40 : x
  2. Step 2: Convert to fraction form
    78,809,710.51/118,112,014.26 = 32,068,713.40/x
  3. Step 3: Cross multiply
    78,809,710.51x = 118,112,014.26 × 32,068,713.40
  4. Step 4: Simplify right side
    78,809,710.51x = 3,787,700,334,400,653
  5. Step 5: Solve for x
    x = 3,787,700,334,400,653/78,809,710.51
  6. Step 6: Final answer
    x = 48,061,340.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.